Science News - The Hindu

Lack of exercise is linked to more severe symptoms and a higher risk of death among COVID-19 patients, according to a new study. (Photo for representational purposes only.)

COVID-19 patients with sedentary habits more likely to die, finds study

As a risk factor for serious COVID-19 disease, physical inactivity was surpassed only by advanced age and a history of organ transplant.

This NASA photo shows NASA's Ingenuity helicopter unlocking its rotor blades, allowing them to spin freely, on April 7, 2021, the 47th Martian day, or sol, of the mission.

NASA delays Mars helicopter flight for tech check

‘India will add four million more cases by May 1’

R. Prasad When the surge in cases is rapid, more persons with severe disease might require critical care at the same time, resulting in a shortage of beds

Photograph of surfacing Indus River dolphin (left: photo credit WWF-Pakistan) and Ganges River dolphin (right: photo credit: Mansur/WCS Bangladesh)

Indus and Ganges river dolphins are two different species

Aswathi Pacha The researchers studied ancient DNA that they got out of skulls and skeletons which were 20 to 30 to even 150 years old

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This August 2017 photo made available by Fermilab shows the Muon g-2 ring at the Fermi National Accelerator Laboratory outside of Chicago.

Another hint of ‘new physics’, this time from Fermilab

Shubashree Desikan Fermilab, which houses the American particle accelerator, has released the first results from its ‘muon g-2’ experiment

How do astronauts write in space?

In School Team The pencil wasn’t an ideal choice for writing in space because its tip could flake and break off, drifting in microgravity with the potential to harm an astronaut or an equipment

An ice shelf in Antarctica. File photo for representation.

Third of Antarctic ice shelf area at collapse risk due to global warming: Study

PTI They noted that when melted ice accumulates on the surface of ice shelves, it can make them fracture and collapse spectacularly.

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A researcher at Nanyang Technological University's attaching an electrode on the surface of a Venus flytrap plant at a laboratory in Singapore, as scientists develop a high-tech system for communicating with vegetation.

Watch | Scientists develop ‘robo-plants’ to interact with plants

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COVID-19 patients with sedentary habits more likely to die, finds study

Monsoon was stronger 7,000 years ago: study

NASA delays Mars helicopter flight for tech check

How do astronauts write in space?

Question Corner: How did ancient marine creatures breathe?

Indus and Ganges river dolphins are two different species

Beast of five teeth: Chilean scientists unearth skunk that walked among dinosaurs

The animal is thought to have lived between 72 and 74 million years ago during the Upper Cretaceous period

U.S.-Russian trio blast off on mission to space station

A Russian-U.S. trio of space travelers launched successfully Friday, heading for the International Space Station.NASA astronaut Mark Vande Hei and

Third of Antarctic ice shelf area at collapse risk due to global warming: Study

They noted that when melted ice accumulates on the surface of ice shelves, it can make them fracture and collapse spectacularly.

All about bats: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Another hint of ‘new physics’, this time from Fermilab

Fermilab, which houses the American particle accelerator, has released the first results from its ‘muon g-2’ experiment

Watch | Scientists develop ‘robo-plants’ to interact with plants

A video on 'robo-plants', a high-tech system for communicating with vegetation.

Bulgarian cave remains reveal surprises about earliest Homo sapiens in Europe

The new study suggests interbreeding was more common than previously known for the first Homo sapiens in Europe.

Know the scientist: Tu Youyou

In 2015, Tu became the first Chinese Nobel laureate in physiology or medicine

Rechargeable batteries for electric vehicles get IIT-Guwahati boost

The research team said the advanced technique developed can precisely estimate the state of charge, one of the most important internal aspects of a battery

Best from science journals: A new state of light

Here are some of the most interesting research papers to have appeared in top science journals last week.

Climate change shrinks marine life richness near equator: study

Having fleets of fish and other swimmers shift rapidly to more temperate waters could devastate the coral ecosystems they leave behind.

Prioritising who gets vaccinated against COVID-19 can save lives: study

The team identified that front-line essential workers should be a vaccination priority along with or shortly after seniors.

Brain waves measured using ear implants for the first time

Researchers expect this finding to help manufacturers further develop smart hearing aids

NASA's Ingenuity helicopter dropped on Mars' surface ahead of flight

It is expected to make its first flight attempt no earlier than April 11, the Jet Propulsion Laboratory tweeted

Coronavirus | COVID-19 patients can be categorised into three groups, say scientists

Phenotypes I and II were associated with 7.30-fold and 2.57-fold increases in hazard of death relative to phenotype III.

IIT Kanpur develops touch-sensitive watch for the visually impaired

Two researchers from IIT Kanpur have developed a touch-sensitive, tactile, haptic watch that can help visually impaired people learn what time it is

Researchers foresee trends in diphtheria incidence

Study maps tox genes, progression of antimicrobial resistance in pathogen

Coronavirus | What is driving the second wave in India?

Variants, imported and homegrown, are increasingly seen but have so far not been linked epidemiologically to the surge

How Asian desert dust enhances Indian summer monsoon

Dust swarms can influence moisture transport, increase precipitation, rainfall

‘India will add four million more cases by May 1’, says Public Health Foundation of India epidemiologist

When the surge in cases is rapid, more persons with severe disease might require critical care at the same time, resulting in a shortage of beds

All about the Large Hadron Collider: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Temperature differences in the respiratory tract influence SARS-CoV-2 replication: study

When the researchers created colder conditions, they found that the virus replicated faster than when infections were carried out at 37 degrees Celsius to mimic the lower lung environment.

Coronavirus | ICMR study provides a new definition for SARS-CoV-2 re-infection

An epidemiological working definition will be more pragmatic and helpful to assess the magnitude of re-infection in most population and resource constrained settings.

Invasive species cause billions in damages each year: study

Early detection, better data and preventative measures could reduce costs considerably

NASA exchanges data of its Mars mission with India, China, UAE & European Space Agency

The purpose of exchanges was to lower the risk of a collision, as their spacecraft are orbiting the red planet, Hong Kong-based South China Morning Post reported

Best from science journals: How to live 1,000 metres below sea level?

Here are some of the most interesting research papers to have appeared in top science journals last week.

New meat-eating dinosaur fossil discovered in Argentina

Llukalkan had a powerful bite, based on the musculature of its jaws, and its teeth could tear flesh from its prey

Watch | Tackling the helium crisis in India

A video on the emerging crisis of obtaining helium in India

Earth safe from asteroid for 100 years: NASA

First detected in 2004, Apophis is now officially off NASA's asteroid “risk list”

Question Corner: How do squids tune colour and brightness of iridescence of their skin?

Readers may send their questions/answers to questioncorner@thehindu.co.in

New species of red algae seen in west, south east Indian coast

As the two species have been found on the west and south east coasts of India, it suggests good prospects for their cultivation which can be put to good use economically.

Will intranasal vaccine give sterilising immunity?

The local mucosal immunity induced will likely reduce infection possibility and might prevent transmission

Is the LHC on the brink of discovering new physics?

The latest announcement from CERN hints at the inadequacy of existing theories of elementary particles

All about inventors: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Vaccines may need regular updates as coronavirus evolves: study

Based on the rates of evolution seen in the endemic common cold coronaviruses, the scientists believe SARS-CoV-2 will start to change more slowly once infections start to die down.

Microplastics in sewage become 'hubs' for drug-resistant bacteria: study

Certain strains of bacteria have elevated antibiotic resistance by up to 30 times when living on microplastic biofilms

Octopus research yields insight into the evolution of sleep

Study lead author Sylvia Medeiros said the findings suggest octopuses may be dreaming, or experiencing something similar.

Best from science journals: Reading minds with ultrasound

Here are some of the most interesting research papers to have appeared in top science journals last week

Musk says SpaceX to land Starship rockets on Mars well before 2030

Musk has said that he intends to fly Japanese billionaire Yusaku Maezawa around the moon with the Starship in 2023.

Four Indian cosmonauts complete training in Russia for Gaganyaan mission

The four cosmonauts shortlisted for Gaganyaan, India's first manned space mission, have completed their training in Russia, according to an official

Russia launches 38 satellites for 18 countries

Among them was the Challenge-1, the first satellite made completely in Tunisia

1 in 3 COVID-19 survivors suffer long-term health issues: review

30% of patients studied reported at least one symptom, such as fatigue, shortness of breath and psychiatric conditions

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